Questions tagged [error]
The error tag has no usage guidance.
0
votes
1answer
94 views
Why am I Getting: Transaction Error. Exception thrown in contract code in Real?
WE Had Create A Dapp Like POWHD, we Already Deployed It And Some Of Transactions Are Already Done well. But After Some Time The issue I'm encountering with my real contract (Dapp) is that trying to ...
0
votes
0answers
5 views
Checking outgoing TX from duneanalytics.com query [on hold]
I am trying to run a script from explore.duneanalytics.com to check outgoing tx from an array of addresses but get the error: Error running query: syntax error at or near "output" LINE 9: WHERE "from"...
0
votes
1answer
30 views
Why does updating an external variable results in an error?
I'm trying to update a variable within an external contract.
My 2 contracts are as follow:
pragma solidity ^0.4.25;
contract MainContract {
string public variable1;
function setVariable1(string ...
0
votes
0answers
14 views
- does not trigger a Solidity `revert` statement
My Smart contact was running smoothly .I was smoothly executing
the function successfully .
MinterFunction(address account, uint256 value) public {
value = value.mul(1 finney);
require(...
1
vote
2answers
23 views
Simple contract throws for no apparent reason
the thing is that i have a very simple contract code that I wrote as a kind of "Hello World!", but it doesn't seem to work properly, and I can't see any reason why it wouldn't work.
The code I'm ...
0
votes
3answers
32 views
REMIX:This contract does not implement all functions and thus cannot be created
What should I do?
pragma solidity ^0.4.21;
contract ScoreInterface {
function hit() public;
function score() public view returns (uint);
}
This contract does not implement all ...
1
vote
1answer
18 views
Metamask Error messages shows only revert
I have a little problem with the error messages I receive from MetaMask. In my dApp I have a modifiers which should throw an error with an error message. However, in MetaMask I only receive the RPC ...
3
votes
2answers
105 views
Solidity! Invalid implicit conversion from string memory to bytes memory requested
pragma solidity ^0.5
contract ProofOfExistence {
// ... some code here
function proofFor(string memory document) public view returns(bytes32) {
return sha256(document);
}
//...
2
votes
1answer
32 views
How to handle require/revert/assert errors properly
I'm trying to find an easy pattern to revert/rollback a write transaction.
The first idea was to log a GenericErrorEvent but then I noticed that it will never be emited if any require/revert/assert ...
1
vote
2answers
37 views
Calling an address array in web3 returns an error that the method needs arguments
I'm declaring a public address array in my contract, but when I call it, I get an error saying it's expecting an argument. Can someone shine a light on what is happening here?
Contract.sol
uint ...
1
vote
1answer
19 views
Why is solidity throwing “Note: The constructor should be payable if you send value. ”, when clearly the issue is elsewhere?
I'm writing a contract on Remix that is able to deploy and track child contracts.
Here are the 2 contracts:
pragma solidity ^0.5.0;
Contract Factory
contract ContractFactory{
ChildContract[] ...
0
votes
1answer
53 views
ReferenceError: address is not defined
Truffle v5.0.5 (core: 5.0.5)
Solidity v0.5.0 (solc-js)
Node v10.15.1
ReferenceError: address is not defined.
const ApprovalContracts = artifacts.require('../../contracts/ApprovalContracts.sol'); // ...
0
votes
0answers
20 views
Not storing Item in variable
I am working on making a game where users can collect items. I have chosen to store the ERC721 tokens that represent the items in this way:
Item struct:
User struct and map that maps account-...
0
votes
1answer
26 views
Cannot read property 'hexToAscii' of undefined
deployedContract.deploy({
data: bytecode,
arguments: [listOfCandidates.map(name => web3.utils.hexToAscii(Rama))]
}).send({
from: '0xfb9286cde20bbd5ed60ee3bb156f9d9938c5b151',
gas: 1500000,
...
0
votes
0answers
7 views
My ethereum based dapp throwing error :Unable to get UserError: ERROR: The returned value is not a convertible string:
I have setup a private ethereum network on an AWS ubuntu instance. The application has been deployed using truffle and uses metamask to approve transactions. There are two different pages one for ...
0
votes
1answer
72 views
NOOB Error : Transaction mined but execution failed
i´m learning Solidity now, and i saw this code on web but when i try to use the method "Deposito" i receive a error. Someone knows what's that ? (PS.: I try to put the value but every time i chose ...
0
votes
0answers
78 views
installing Truffle node-gyp rebuild Error
im trying to install Truffle and have run into numerous problems - made some headway after getting an earlier version of python but camt seem to figure out this error - could someone point me in the ...
1
vote
1answer
103 views
web3 is not defined problem
This is my simple html source code for my website.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewpoint" content="width=device-width, ...
1
vote
1answer
122 views
“before all” hook: prepare suite
This is the error code:
Adoption.sol code:
TestAdoption.sol code:
I dont know how to solve this, it fails when i try to use this comand: "truffle test".
Thanks.
1
vote
1answer
184 views
Invalid bytes32 value [duplicate]
I am trying to learn about solidity so I just watch a tutorial about it, I already copy the same code as the tutorial but there is an error with bytes32.
Here it is:
That is the deploy code:
And ...
0
votes
1answer
14 views
Augur: getShareToken returns error: invalid argument 0: json: cannot unmarshal hex string
I use the following code:
augur.api.Market.getShareToken({
_outcome: "0x1",
tx: { to: _market },
}, function (error, shareToken) {
console.log(...
1
vote
1answer
27 views
Augur: Getting this error: “Error: eth_call returned no data (0x)” when I try to run any transaction APIs. Does anyone know what is going on here?
The address owns ETH as well as REP according to dev. I'm connected to Rinkeby .
This happens when I run the folling code:
const owner = require('./.pvt.js').ADDRESS;
const daiAddress = require('./....
0
votes
1answer
25 views
Getting error on sending ether/wei in payable function
error:
transact to CampaignFactory.createCampaign errored: VM error: revert. revert The transaction has been reverted to the initial state. Note: The constructor should be payable if you send value. ...
0
votes
0answers
72 views
Problems with sending ERC20 token
I have ETHSTEEM tokens in my MetaMask wallet (5.3.1) and when I tried to transfer them, 'fast' fee is over 1.3€, while for ETH transfer or AVINOC token it's around 0.01€. Even when I used this high ...
0
votes
0answers
271 views
FATAL ERROR: Rebalance Allocation failed - process out of memory
So while running truffle compile for my contracts on AWS Ubuntu server I got the following error:
<--- Last few GCs --->
[17055:0x3985730] 11958 ms: Scavenge 511.7 (553.4) -> 506.9 (553.4) ...
1
vote
0answers
65 views
My code compiles on remix.ethereum.org but not on etherscan.io please help! [closed]
I get this error
" ParserError: Function, variable, struct or modifier declaration
expected.
function transferFrom(address _from, address _to, uint _value) public returns (bool)
^ " everytime ...
2
votes
3answers
2k views
Truffle Box at URL https://github.com/truffle-box/bare-box.git doesn't exist
I'm trying to initialize a directory with truffle init, but I'm getting the following error:
Error: Truffle Box at URL https://github.com/truffle-box/bare-box.git doesn't exist. If you believe this ...
1
vote
1answer
243 views
Error while installing web3
I'm getting these errors while executing
npm install web3
How could i fix this?
2
votes
1answer
254 views
Running out of gas during a deploy due to a large number of require() statements?
I have a smart contract that has a fair number of functions, but a large number of require() statements because I carefully check every incoming parameter and some intermediate calculation results too....
0
votes
1answer
13 views
Struct param not found
I´m trying to call a function insertOrigin inside a struct and then call other function getOrigin to return that values. But VS Code get a error
pragma solidity ^ "0.4.24";
contract Origin {
struct ...
9
votes
2answers
214 views
Possible error in white paper validation algorithm?
If we take the block validation algorithm described in the
white paper (Section Blockchain and Mining), it states at point 6:
Let TX be the block's transaction list, with n transactions. For all i ...
1
vote
2answers
811 views
address payable type - store address and send later using Solidity 0.5.0
Solidity 0.5.0 has separated the "address" type into two types: address payable and address. Only address payable have the address.transfer method. I don't want to use the withdrawal mechanism.
When ...
0
votes
2answers
62 views
Solidity can't modify block.timestamp due to lvalue xpression
I have a problem regarding modifying block.timestamp. I would like to modify timestamp in my network and change
block.timestamp to unix timestamp, but I got an error at modification:
TypeError: ...
0
votes
2answers
66 views
Why it's showing errors in this contract?
Actually, I wrote the code in multiple files, but since I need to Verify and Publish the code so, I tried to flatten the code. But now it is showing way too many errors. I put the code below with ...
1
vote
1answer
47 views
How do I resolve “gas required exceeds allowance or always failing transaction” when trying to send ether?
This is the sample smart contract I am trying to run. All methods work, except, "payVendor" - it fails with gas required exceeds allowance or always failing transaction . I have tried increasing the ...
1
vote
1answer
283 views
Fatal: Error starting protocol stack: listen tcp: lookup ”localhost”: no such host
I'm trying to run a Node on a private blockchain using the following command:
geth --datadir data/privateBlockchain/ -networkid 1234567 -port 30306 -nodiscover -rpc -rpcapi “db,personal,eth,net,web3,...
0
votes
1answer
93 views
solidity dynamic struct array
when I develop my smart contract with solidity, I encounter a problem.
And Below is my solidity code.
pragma solidity ^0.4.0;
contract RegisterContract{
event setNewUser(bytes32 name,address ...
0
votes
1answer
65 views
Catching errors with gas issues
I am working on the frontend where I use try / catch to find errors and give appropriate messages to users. My smart contract has a payable function and I was at the point of catching errors regarding ...
-1
votes
1answer
78 views
Expected primary expression error
I have this error:
Expected primary expression.
This is the code :
pragma solidity ^0.4.17;
contract Adoption {
address[16] public adopters;
// Adopter un animal
function adopt(uint petId) ...
1
vote
1answer
81 views
Ether transfer from Account to Account with smart contract doesn't work
I've been struggling for a whole day trying to figure out what's wrong with my smart contract but I couldn't sort it out. Any help is appreciated, I'm sure I'm missing something :(
Here is my ...
0
votes
2answers
110 views
Crowdfunding Contract like Kickstarter
I was following a tutorial for a Crowdfunding Smart Contract that acts like Kickstarter from Programtheblockchain, however I'm always getting a MetaMask Error which says "Exception thrown in Contract ...
2
votes
0answers
199 views
Error when verifying signed message on Etherscan
Why is it that my message on etherscan can not be verified correctly? I always get this message:
I'm sorry! Signature message verification failed
1
vote
1answer
135 views
Smart Contract to send ether
I have Solidity contract that is meant to send ether to someone. Unfortunately it's giving me a cryptic error message after I confirm the transaction in MetaMask.
I'm testing on a local ethereum ...
0
votes
1answer
59 views
Smart Contract Testing
I am writing test driven smart contracts. There is one smart contract with parameterized constructor. And I am using the require statement in the constructor. I want to catch the error in my test ...
2
votes
1answer
87 views
Gas Estimation Error when I try to burn token
pragma solidity ^0.4.18;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
...
1
vote
3answers
145 views
Test array values if key/value exists - Does not work
I have a problem with the following contract.
When I deploy it, normally on calling the function addBalance() it should go into the false. But instead, it completely does not work and I get the ...
0
votes
0answers
60 views
Kernel panic on restart claymore miner
OS: Ubuntu 16.04, Miner: Claymore 11.9
Cards: 6xP106-100
when wachdog restart miner sometimes an error occurs - black console window
in process list - [ethdcrminer64] < defunct >
dmesg output
This ...
0
votes
1answer
77 views
Expect Error: transaction in Truffle [duplicate]
Im testing wheter a require function does its job by reverting and want to test in within a truffle test.
it("The URI should be unique", async () =>{
const dupURI = await token....
0
votes
0answers
228 views
truffle box webpack Uncaught SyntaxError: Unexpected token {
I executed truffle unbox webpack in powershell and downloaded the package. After I did npm install and npm run dev I get the following error:
Uncaught SyntaxError: Unexpected token {
and it ...
1
vote
1answer
309 views
DeclarationError: Identifier already declared. Two imports import the same ERC721 contract
Im building a contract that uses two contracts that both use the ERC721 zeppelin contract, when I import the two as such:
import nonFungableWidthAddedFunctionality1.sol;
import ...
